Java Code Examples for org.opencv.core.Mat#depth()

The following examples show how to use org.opencv.core.Mat#depth() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestUtils.java    From go-bees with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Checks if two OpenCV Mats are equal.
 * The matrices must be equal size and type.
 * Floating-point mats are not supported.
 *
 * @param expected expected mat.
 * @param actual   actual mat.
 * @return true if they are equal.
 */
private static boolean equals(Mat expected, Mat actual) {
    if (expected.type() != actual.type() || expected.cols() != actual.cols()
            || expected.rows() != actual.rows()) {
        throw new UnsupportedOperationException(
                "Can not compare " + expected + " and " + actual);
    } else if (expected.depth() == CvType.CV_32F || expected.depth() == CvType.CV_64F) {
        throw new UnsupportedOperationException(
                "Floating-point mats must not be checked for exact match.");
    }
    // Subtract matrices
    Mat diff = new Mat();
    Core.absdiff(expected, actual, diff);
    // Count non zero pixels
    Mat reshaped = diff.reshape(1); // One channel
    int mistakes = Core.countNonZero(reshaped);
    // Free
    reshaped.release();
    diff.release();
    // Check mistakes
    return 0 == mistakes;
}
Example 2
Source File: Filters.java    From OptimizedImageEnhance with MIT License 5 votes vote down vote up 
private static Mat convertTo(Mat mat, int depth) {
	if (mat.depth() == depth) {
		return mat;
	}
	Mat result = new Mat();
	mat.convertTo(result, depth);
	return result;
}
Example 3
Source File: Filters.java    From ImageEnhanceViaFusion with MIT License 5 votes vote down vote up 
private static Mat convertTo(Mat mat, int depth) {
	if (mat.depth() == depth) {
		return mat;
	}
	Mat result = new Mat();
	mat.convertTo(result, depth);
	return result;
}
Example 4
Source File: PatchGenerator.java    From OpenTLDAndroid with Apache License 2.0 5 votes vote down vote up 
/**
	 * 
	 * @param image
	 * @param T
	 * @param patch OUTPUT
	 * @param patchSize
	 */
	void generate(final Mat image, final Mat T, Mat patch, Size patchSize, final RNG rng){
	    patch.create( patchSize, image.type() );
	    if( backgroundMin != backgroundMax ) {
	    	Core.randu(patch, backgroundMin, backgroundMax);
	    	// TODO if that null scalar OK or should it be new Scalar(0) ?
	    	Imgproc.warpAffine(image, patch, T, patchSize, Imgproc.INTER_LINEAR, Imgproc.BORDER_TRANSPARENT, null);
	    } else {
	    	Imgproc.warpAffine(image, patch, T, patchSize, Imgproc.INTER_LINEAR, Imgproc.BORDER_CONSTANT, new Scalar(backgroundMin));
	    }

	    int ksize = randomBlur ? rng.nextInt() % 9 - 5 : 0;
	    if( ksize > 0 ) {
	        ksize = ksize * 2 + 1;
	        Imgproc.GaussianBlur(patch, patch, new Size(ksize, ksize), 0, 0);
	    }

	    if( noiseRange > 0 ) {
	        final Mat noise = new Mat(patchSize, image.type());
	        int delta = (image.depth() == CvType.CV_8U ? 128 : (image.depth() == CvType.CV_16U ? 32768 : 0));
	        Core.randn(noise, delta, noiseRange);
	        
	        // TODO this was different !!
	        Core.addWeighted(patch, 1, noise, 1, -delta, patch);
	        
//	        if( backgroundMin != backgroundMax )
//	            addWeighted(patch, 1, noise, 1, -delta, patch);
//	        else
//	        {
//	            for( int i = 0; i < patchSize.height; i++ )
//	            {
//	                uchar* prow = patch.ptr<uchar>(i);
//	                const uchar* nrow =  noise.ptr<uchar>(i);
//	                for( int j = 0; j < patchSize.width; j++ )
//	                    if( prow[j] != backgroundMin )
//	                        prow[j] = saturate_cast<uchar>(prow[j] + nrow[j] - delta);
//	            }
//	        }
	    }		
	}